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Finding the Fourth Proportional to 978,807.70, 1,468,211.55 and 884,329.30

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Solution

The fourth proportional to 978,807.70, 1,468,211.55 and 884,329.30 is: 1,326,493.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,807.70 : 1,468,211.55 = 884,329.30 : x
  2. Step 2: Convert to fraction form
    978,807.70/1,468,211.55 = 884,329.30/x
  3. Step 3: Cross multiply
    978,807.70x = 1,468,211.55 × 884,329.30
  4. Step 4: Simplify right side
    978,807.70x = 1,298,382,492,263.42
  5. Step 5: Solve for x
    x = 1,298,382,492,263.42/978,807.70
  6. Step 6: Final answer
    x = 1,326,493.95

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.